1 files changed, 3 insertions, 0 deletions
diff --git a/src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java b/src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java
index 14d3b7c1..9e9244de 100755
--- a/src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java
+++ b/src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java
@@ -3,6 +3,9 @@ package kr.syeyoung.dungeonsguide.utils;
 import javax.vecmath.Vector2d;
 
 public class VectorUtils {
+    // Ior rooms, different coordinate system is used. Y Increses as marker goes down. X is same.
+
+
     public static Vector2d rotateCounterClockwise(Vector2d vector2d) {
         return new Vector2d(vector2d.y, -vector2d.x);
     }